:root{--brand: #0d3b66;--brand-700: #0a2e50;--brand-900: #061d35;--accent: #f47b20;--accent-700: #d9650f;--ink: #16202b;--muted: #5b6672;--muted-2: #7c8794;--line: #e3e7ec;--line-2: #eef1f4;--bg: #ffffff;--bg-soft: #f6f8fa;--bg-soft-2: #eef2f6;--ok: #1d7a4f;--warn: #b7791f;--radius: 8px;--radius-lg: 14px;--shadow: 0 1px 2px rgba(16, 32, 48, .06), 0 4px 14px rgba(16, 32, 48, .05);--shadow-lg: 0 2px 6px rgba(16, 32, 48, .08), 0 16px 40px rgba(16, 32, 48, .09);--maxw: 1240px;--font: "Inter", "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;--mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);font-size:16px;line-height:1.65;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:var(--brand);text-decoration:none}a:hover{color:var(--accent)}h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;font-weight:600;letter-spacing:-.01em}h1{font-size:clamp(1.7rem,3.4vw,2.5rem)}h2{font-size:clamp(1.35rem,2.4vw,1.85rem)}h3{font-size:1.15rem}p{margin:0 0 1em}ul{margin:0 0 1em;padding-left:1.25em}strong{font-weight:600}.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}.section{padding:56px 0}.section--soft{background:var(--bg-soft)}.section--tight{padding:36px 0}.eyebrow{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:10px}.lead{font-size:1.06rem;color:var(--muted);max-width:68ch}.center{text-align:center}.center .lead{margin-inline:auto}.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:var(--radius);font-size:.95rem;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:all .15s ease;text-decoration:none;white-space:nowrap}.btn--primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn--primary:hover{background:var(--accent-700);border-color:var(--accent-700);color:#fff}.btn--ghost{background:transparent;color:var(--brand);border-color:var(--line)}.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}.btn--dark{background:var(--brand);color:#fff;border-color:var(--brand)}.btn--dark:hover{background:var(--brand-700);color:#fff}.btn--sm{padding:7px 14px;font-size:.875rem}.btn--block{width:100%;justify-content:center}.topbar{background:var(--brand-900);color:#c9d6e3;font-size:.83rem}.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;flex-wrap:wrap}.topbar a{color:#c9d6e3}.topbar a:hover{color:#fff}.topbar span.sep{opacity:.4}.site-header{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;gap:28px;min-height:68px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand img{height:40px;width:auto}.brand-txt{font-size:1.28rem;font-weight:700;color:var(--brand);letter-spacing:-.02em;line-height:1.1}.brand-txt small{display:block;font-size:.68rem;font-weight:500;color:var(--muted-2);letter-spacing:.06em;text-transform:uppercase}.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}.nav-links>a,.nav-links>.nav-item>a{display:inline-block;padding:9px 12px;font-size:.93rem;font-weight:500;color:var(--ink);border-radius:6px}.nav-links>a:hover,.nav-links>.nav-item>a:hover{background:var(--bg-soft);color:var(--brand)}.nav-links>a.is-active{color:var(--accent)}.nav-item{position:relative}.nav-item:hover 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button:hover{background:var(--brand-700)}.hero{background:linear-gradient(135deg,var(--brand-900) 0%,var(--brand) 55%,#14507f 100%);color:#fff;padding:64px 0 56px}.hero h1{color:#fff;max-width:20ch}.hero p.lead{color:#c5d6e6;font-size:1.08rem;max-width:60ch}.hero .btn--primary{box-shadow:0 6px 18px #f47b204d}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:#ffffff24;border-radius:var(--radius-lg);overflow:hidden}.hero-stats div{background:#ffffff12;padding:18px 20px}.hero-stats b{display:block;font-size:1.6rem;color:#fff;line-height:1.2}.hero-stats span{font-size:.8rem;color:#a9c1d6}.hero-tools{background:#ffffff14;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:22px}.hero-tools h3{color:#fff;font-size:1rem;margin-bottom:4px}.hero-tools p{color:#a9c1d6;font-size:.86rem;margin-bottom:14px}.grid{display:grid;gap:22px}.grid--2{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}.grid--auto{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;transition:all .18s ease}.card:hover{border-color:#cdd6de;box-shadow:var(--shadow);transform:translateY(-2px)}.card h3{font-size:1.05rem;margin-bottom:6px}.card p{color:var(--muted);font-size:.92rem;margin-bottom:12px}.card .more{font-size:.88rem;font-weight:600}.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;transition:all .18s 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th{width:38%;background:var(--bg-soft);font-weight:500;color:var(--muted)}table.spec td{font-weight:500}table.spec td.num{font-family:var(--mono)}table.data{width:100%;border-collapse:collapse;font-size:.9rem}table.data th{background:var(--brand);color:#fff;font-weight:600;padding:11px 14px;text-align:left}table.data td{padding:10px 14px;border-bottom:1px solid var(--line-2)}table.data tbody tr:hover{background:var(--bg-soft)}table.data td.model{font-weight:600}table.data td.model a{color:var(--brand)}table.data td.num{font-family:var(--mono);color:var(--muted)}.breadcrumb{font-size:.84rem;color:var(--muted-2);padding:14px 0 0}.breadcrumb a{color:var(--muted)}.breadcrumb a:hover{color:var(--accent)}.breadcrumb span.sep{margin:0 7px;opacity:.5}.detail{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}.gallery-main{border:1px solid 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button.is-active{color:var(--brand);border-bottom-color:var(--accent)}.tabpanel{display:none}.tabpanel.is-active{display:block}.inquiry-bar{background:var(--bg-soft-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;margin-top:28px}.inquiry-bar h3{margin-bottom:4px}.inquiry-bar p{color:var(--muted);font-size:.9rem;margin-bottom:14px}.inquiry-actions{display:flex;gap:10px;flex-wrap:wrap}.badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;font-size:.8rem;font-weight:500;background:var(--bg-soft);border:1px solid var(--line);border-radius:100px;color:var(--muted)}.badge--ok{background:#e8f5ee;border-color:#c6e6d5;color:var(--ok)}.tool{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}.tool-row{display:grid;gap:14px;grid-template-columns:repeat(3,1fr);margin-bottom:16px}.field label{display:block;font-size:.84rem;font-weight:600;color:var(--muted);margin-bottom:6px}.field input,.field select{width:100%;padding:11px 13px;font-size:.95rem;font-family:inherit;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--ink)}.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #0d3b661a}.tool-result{margin-top:20px}.tool-empty{color:var(--muted);font-size:.92rem;padding:14px;background:var(--bg-soft);border-radius:var(--radius)}.site-footer{background:var(--brand-900);color:#aebfd0;padding:52px 0 0;margin-top:0;font-size:.92rem}.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:14px}.site-footer a{color:#aebfd0}.site-footer a:hover{color:#fff}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin-bottom:8px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:.84rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#8ba1b6}.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.trust div{text-align:center;padding:22px 14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg)}.trust b{display:block;font-size:1.5rem;color:var(--brand)}.trust span{font-size:.84rem;color:var(--muted)}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{cursor:pointer;padding:15px 0;font-weight:600;font-size:1rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--accent);font-size:1.3rem;font-weight:400}.faq-item[open] summary:after{content:"−"}.faq-item p{color:var(--muted);font-size:.93rem;padding-bottom:14px;margin:0}@media(max-width:980px){.hero-grid{grid-template-columns:1fr;gap:32px}.detail{grid-template-columns:1fr;gap:28px}.grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}.tool-row{grid-template-columns:1fr}.trust{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}.nav-links{display:none}.section{padding:40px 0}.hero{padding:44px 0 40px}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}